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BILGE SYSTEM OPERATIONS WITH THE EDUCTORS

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TM 55-1925-273-10-1
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7.
Secure the piping system by placing the following valves in the CLOSED position:
a.
All valves on the ballast manifold.
b.
BB-32, B/B PMP No.2 OVBD DISCH (figure 6, item 5), ballast manifold suction (from) isolation valve
c.
BB-26, B/B PMP No. 1 BLST. SUCT (figure 6, item 14), bilge/ballast pump 1 suction from ballast manifold
d.
BB-27, B/B PMP. No.2 BLST. SUCT (figure 6, item 15), bilge/ballast pump 2 suction from ballast manifold
e.
BB-35, B/B PMP No. 1 BLST. TO MANF. (figure 6, item 16), bilge/ballast pump 1 discharge to ballast manifold
f.
BB-33, B/B PMP. No.2 BLST TO MANF. (figure 6, item 17), bilge/ballast pump 2 discharge to ballast manifold
BILGE SYSTEM OPERATIONS WITH THE EDUCTORS
1.
Verify that the general service system is pressurized and operational.
NOTE
Operate only one bilge eductor at a time.
2.
To pump bilges using the eductors, complete the following actions:
a.
To pump the chain locker bilge, OPEN the following valves:
(1)
BB-10 (figure 8, item 1), chain locker bilge eductor overboard discharge
(2)
GS-44, BILGE EDUC. (figure 8, item 2), general service to the chain locker bilge eductor
(3)
When chain locker bilge pumping is complete, place the valves opened in the CLOSED position
b.
To pump the bow thruster compartment bilge, OPEN the following valves:
(1)
BB-9, OVBD. DISCH. BILGE EDUC (figure 8, item 3), bow thruster compartment bilge eductor overboard
discharge
(2)
GS-45, BILGE EDUC (figure 8, item 4), general service to bow thruster compartment bilge eductor
(3)
When bow thruster bilge pumping is complete, place the valves opened in the CLOSED position.
c.
To pump the aft steering compartment bilge, OPEN the following valves:
(1)
BB-11, OVBD. DISCH. BILGE EDUC. (figure 8, item 5), aft bilge eductor overboard discharge
(2)
GS-47, BILGE EDUC (figure 8, item 6), general service to the aft steering compartment bilge eductor
(3)
When aft steering compartment bilge pumping is complete, place the valves opened in the CLOSED position.
d.
To pump the STARBOARD towing gear locker bilge, OPEN the following valves:
(1)
BB-11, OVBD. DISCH. BILGE EDUC. (figure 8, item 5), aft bilge eductor overboard discharge
(2)
BB-37, BILGE EDUCT SUCT COV (figure 8, item 7), STARBOARD towing gear locker eductor suction
isolation
(3)
GS-46, BILGE EDUC (figure 8, item 8), general service to the towing gear locker bilge eductor
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